Knife sharpener with case



FIG. 1 is a top, side and front perspective view of a knife sharpener with case showing the new design;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a front side elevation view thereof;

FIG. 5 is a rear side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, side and front perspective view of a knife sharpener with case in an open position showing the design. 

The ornamental design for a knife sharpener with case, as shown and described. 